What is considered the rarist form of color blindness?

The rarest form of color blindness is tritanopia, which is the inability to distinguish between blue and green colors. This condition is caused by a genetic mutation, affecting the function of the blue cone cells in the eyes. Tritanopia is considered rare because it is estimated to affect only about 2% of the male population. While other forms of color blindness, such as protanopia (lack of red cone cells) and deuteranopia (lack of green cone cells), are more common, tritanopia is relatively infrequent.